About D&W Mechanical Your Superior Geothermal Source in Traverse City You can look to D&W Mechanical for all your WaterFurnace Traverse City geothermal heating and cooling needs, including... planning assistance. complete comfort system installation. routine service and maintenance. emergency repair. energy-saving advice and consultation. Our highly trained professional staff is committed to the overall satisfaction of customers throughout the Traverse City area. After all, you've picked the best heating and cooling system on the market today. We make sure each system continues to live up to the expectations of, boosting your home's conditioning efficiency and helping you cut energy costs. Contact D&W Mechanical today to get a free estimate and a cost savings analysis for your home.